JavaScript Disabled

Your JavaScript appears to be disabled. JavaScript is necessary for various functions, such as order checkout, to operate on this web site. Please ensure that JavaScript is enabled.

Outdated Internet Browser Detected

Your web browser appears to be out of date. Soon you will not be able to create a secure connection to our web site using TLS 1.0. Please upgrade your browser from current version( ). Learn more about TLS.

Always Save More at Summit!
In-Store Pickup Location

1979 CHEVROLET IMPALA QA1 Pro Coilover Systems GS507-09550D

QA1 GS507-09550D - QA1 Pro Coilover Systems

Image is a representation of this item.
Actual item may vary.

Loading media


In progress

COIL OVER SHOCK

Estimated Ship Date: Loading...Processing Tuesday 5/28/2019 Would you rather pick it up? Select Location

  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight and oversize fees. Valid on orders shipped in the contiguous United States.

Hazardous Material Warning
WARNING
WARNING: Cancer and Reproductive Harm For more information, visit www.P65warnings.ca.gov.

View Similar Products

Brand: QA1

Manufacturer's Part Number: GS507-09550D

Part Type: Coilover Kits

Product Line: QA1 Pro Coilover Systems

Summit Racing Part Number: QA1-GS507-09550D

UPC: 806990139948

Suspension Height Adjustment: 0.0-2.0 in. lowered

Coilover Kit Position: Front

Recommended Front-End Weight: 2,101-2,200 lbs.

Shocks Included: Yes

Adjustable Valving: Yes

Internal Design: Twin-tube

Gas Charged: No

Number of Valving Selections: 18

Extended Length (in): 14.500 in.

Collapsed Length (in): 9.630 in.

Threaded Adjustment Range: 3.000 in.

Upper Mount: Stud

Lower Mount: Bar pin

Shock Body Material: Aluminum

Shock Body Finish: Clear anodized

Bushing Material: Polyurethane

Bushing Color: Black

Coilover Springs Included: Yes

Spring Rate (lbs/in): 550 lbs./in.

Spring Finish: Silver powdercoated

Crossmember Included: No

Adjustable Mounting Bracket Included: No

Hardware Included: Yes

Welding Required: No

Quantity: Sold as a pair.

Notes: Single adjustable coil-overs, designed to fit applications with big block engines. Includes 2 springs and 2 coil-over shocks.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

QA1 Pro coilover systems are engineered from the ground up to offer unmatched performance over stock suspension setups. Pro coilover systems utilize adjustable and non-adjustable coilover shocks and springs, designed specifically for replacing the factory shocks and springs. This combination offers ride height adjustment and variable position valving adjustment (where applicable) for performance not found in other kits. Choose QA1 Pro coilover systems for your next suspension upgrade.

Warranty

Questions & Answers Ask a Product Question
Q:

Love the product, what is the correct Coil-Over Spanner wrench for this Model

Asked by Customer on July 11, 2018

A:

QA1 P/N T114W or P/N T115W will work with this coil-over kit.

QA1 QA1 Answer - August 01, 2018

+See All Answers (2) Answer This Question

Q:

Will these fit stock lower control arms

Asked by MICHAEL on March 06, 2017

A:

Hi Michael - Yes These will absolutely fit stock control arms. These are a direct bolt-in that requires no cutting and welding.

QA1 QA1 Answer - March 06, 2017

+See All Answers (2) Answer This Question

Q:

I have a 1966 impala with 2 inch drop spindles like the height will I be able to put in with 2 inch drop spindles and my stock a arms and still be able to keep height has a 396 motor that's why I picked 550 instead of 440 want simple as possible also what coil over number for back if I choose so

Asked by RICHARD on October 16, 2018

A:

The combination of the coil-over shocks and the drop spindles will give you a ride height range of 2" to 4" below stock ride height. If you want to maintain the current ride height you should use stock height spindles along with the coil-over kit. The coil-over kit by itself is designed for stock ride height with the ability to lower the front of the car about 2".

QA1 QA1 Answer - October 16, 2018

Answer This Question

Q:

I have a 64 impala and was wanting to go to the QA1 507 coil overs spring set up. The front of the car weighs 2194# the suggested spring rate was a 550. If I would go with a spring rate of 650 would that help with the body roll. I prefer a firm ride.
Thanks

Asked by RICHARD on August 17, 2018

A:

Richard - Generally speaking, yes, a stiffer spring would help with body roll (reduce it). However, the tradeoff is a more firm ride. A trick you may try is to stiffen the valving of the shocks - both in compression and rebound to help limit body roll, too. Thanks!

QA1 QA1 Answer - August 22, 2018

Answer This Question

+See All Questions (6)

Most Helpful Reviews Review This Product

5 Customer Reviews for QA1 GS507-09550D - QA1 Pro Coilover Systems

Average Customer Review

5 Star

(5)

4 Star

(0)

3 Star

(0)

2 Star

(0)

1 Star

(0)

+See All 5 Reviews

1960 belair with QA1 coilovers A++

Summit RacingSummit Racing Verified Purchase

QA1-GS507-09550D
Fantastic units that are quick and easy to fit, these with CPP spindles and tubular arms have a huge range of adjustment and the car honestly drives like a late model car. I was a little concerned with running 550lb springs with my 350 SBC but they offer a compliant ride but with assured handling even with big wheels.

1 of 1 found this review helpful.

report abuse

Report Abuse X

If you feel that this review is inappropriate and should be removed from the site, report it to us by clicking the "Report Abuse" button below.

Cancel

Reviewer: from Australia

Date: November 16, 2016

Appearance
Ease of Installation
Price/Value
Quality

Made a big deference

Summit RacingSummit Racing Verified Purchase

QA1-GS507-09550D
The coil over raised the car to normal ride height. Took a lot of the body role out of the front end. The adjustable shocks are nice to be able to adjust the ride to your preference.

0 of 0 found this review helpful.

report abuse

Report Abuse X

If you feel that this review is inappropriate and should be removed from the site, report it to us by clicking the "Report Abuse" button below.

Cancel

Reviewer: from IN

Date: September 04, 2018

Appearance
Ease of Installation
Price/Value
Quality

coil-overs

Summit RacingSummit Racing Verified Purchase

QA1-GS507-09550D
straight forward install per the instructions. gave me the adjustability I needed for the ride height I needed and the ability to compensate for a 50 year old chassis. my car rides straight and level with great handling, great ride, and no compromises. the hardest part was getting out the old coil springs, which a torch makes short work of.

0 of 0 found this review helpful.

report abuse

Report Abuse X

If you feel that this review is inappropriate and should be removed from the site, report it to us by clicking the "Report Abuse" button below.

Cancel

Reviewer: from PA

Date: July 26, 2018

Appearance
Ease of Installation
Price/Value
Quality

Awesome coil overs!

Summit RacingSummit Racing Verified Purchase

QA1-GS507-09550D
These guys are great on the 40 Chevy we built with a camaro front clip.

0 of 0 found this review helpful.

report abuse

Report Abuse X

If you feel that this review is inappropriate and should be removed from the site, report it to us by clicking the "Report Abuse" button below.

Cancel

Reviewer: from CA

Date: December 11, 2017

Appearance
Ease of Installation
Price/Value
Quality

Great product and easy install

Summit RacingSummit Racing Verified Purchase

QA1-GS507-09550D
Overall, this product is great. Straight forward install and rides like a dream (1966 Impala). My only "opportunity for improvement" would be the non inclusion of the thrust bearings and spanned wrench. Technically they are not a requirement, but if they were included, they would surely be used. I recommend adding them and upping the price. ...read more

0 of 0 found this review helpful.

report abuse

Report Abuse X

If you feel that this review is inappropriate and should be removed from the site, report it to us by clicking the "Report Abuse" button below.

Cancel

Reviewer: from CA

Date: December 21, 2016

Appearance
Ease of Installation
Price/Value
Quality

Some parts are not legal for use in California or other states with similar laws / regulations

Back To Results
Email this page
Sign Up for Email X